Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...

Mount Spurr, a volcano in Alaska, shows signs of increased seismic activity, prompting scientists to warn of a potential ...

Fast-moving stars zooming through our galaxy might have been slingshotted from a black hole inside the neighbouring Large ...

The Kilauea volcano has been erupting on and off since December 2024. In February 2025, lava started shooting up into the air ...

Just before episode 9 of the Kīlauea eruption began on1, 2025, geologists captured dramatic footage of the north vent. Video taken from the caldera rim shows a small cone forming within the vent after ...

Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months since it burst to life on Dec. 23. The eruption has been taking place at the the volcano's summit ...

Black holes can actively regulate the material they consume, using powerful jets of gas blasted into space, according to a ...

Recent research using data from NASA's Chandra X-ray Observatory and the Very Large Telescope reveals that black holes are not just passive consumers ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Black holes:Study finds black holes can 'cook' their own cosmic ... And while Earth, of course, has plenty of active ...

In the Ophiuchus galaxy cluster, astronomers spotted the largest explosion in the universe consisting of energy equal to a ...

A video of hundreds of spiders "falling from the sky" in Brazil turned out to be a mating event, experts explained.